Kurdish groups rejected a Syrian government demand for their fighters to withdraw from parts of Aleppo under a ceasefire ...

As the post–Cold War order cracks up, the fault lines don’t just run through the Atlantic, but Europe itself. It was a bad ...

The Syrian army has launched new strikes on Kurdish-held areas in Aleppo after Kurdish fighters refused to withdraw under a ...

The San Andreas Fault is the longest and fastest-moving, but over the next decade, Dr. Lucy Jones says it'll probably be one ...

A severe storm system that brought tornados to Oklahoma on Thursday will expand further into the U.S. on Friday.

In the days since the United States captured the leader of Venezuela, Republican lawmakers have largely applauded the Trump ...

A strong, 6.4-magnitude earthquake struck in the Philippine Sea on Wednesday, according to the United States Geological Survey. The temblor happened at 11:02 a.m. Philippine time about 17 miles east ...

The arrest of Nicolás Maduro hardens a quiet conviction already spreading across the South: that the rules of the ...

The United States is crisscrossed by numerous fault lines, many of which have the potential to unleash significant ...

The sun’s outer atmosphere resembles a pufferfish.

Here are some of the key factors and themes likely to worsen lives for millions in crisis hotspots over the coming year.

The international response has been deeply divided, reflecting entrenched geopolitical alignments and ideological differences ...